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WEST INDIAN ORTHOPTERA. 129 



NOTES ON WEST INDIAN ORTHOPTERA, WITH A LIST 

OF THE SPECIES KNOWN FROM THE ISLAND 

OF PORTO RICO. 

BY JAMES A. G. REHN. 

The material on which this study is based is contained in the 
collections of the United States National Museum and the Academy 
of Natural Sciences of Philadelphia ; the collections of the respec- 
tive institutions are designated in the following paper by their initials. 
Permission to examine the National Museum material was secured 
through the kindness of Mr. W. H. Ashmead of that institution. 
All material from Porto Rico, unless otherwise stated, was collected 
by Mr. August Busck of the U. S. Department of Agriculture. 

Family FORFICULID^E. 
Anisolabis annulipes (H. Lucas). 

One female; Fajardo, Porto Rico. February, 1899. (U.S.N. M.) 
Anisolabis maritima (Gene). 

Two males ; Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 
Anisolabis nzteea (H. Dohrn). 
Three males, thirteen females : 
Utuado, Porto Rico, January, 1899. (U. S. N. M.) 
Arroyo, Porto Rico, February, 1899. (U. S. N. M.) 
Bayamon, Porto Rico, January, 1899. (U. S. N. M.) 
Fajardo, Porto Rico February, 1899. (U. S. N. M.) 
Mayaguez, Porto Rico, January, 1899. (U. S. N. M.) 
Ponce, Porto Rico, April 16th. (U. S. N. M.) 
Jamaica. (A. N. S. P.) 

Labidura riparia (Pallas). 

One male, four females ; Fajardo, Porto Rico. February, 1899. 
(U. S. N. M.) 
Apterygida gravidula (Gerstaecker). 

Three males, one female ; Aguadilla, Porto Rico. January, 1899. 
(U. S. N. M.) 
Apterygida buscki n. sp. 

Type: ?; Utuado, Porto Rico. January, 1899. Collected by 
August Busck. 

TBANS. AM. ENT. SOC, XXIX. (17) MAKCH, 1903. 



130 JAMES A. G. REHN. 

Allied to A. percheron (Guerin) from Cayenne and St. John, 
West Indies, but differing in the small exposed portion of the wings, 
the greater size and the entire absence of ochraceous coloration from 
the insect, the general tint being dull blackish brown. 

Size medium; body moderately depressed, subfusiform. Head cordiform, an- 
tennae monili form, 15-16 jointed. Pronotum subquadrate, the anterior and lateral 
margins straight, the posterior rotundate; centrally with a longitudinal depres- 
sion. Elytra rather elongate, posteriorly subtruncate, the surface slightly scab- 
rous. Wings projecting beyond the elytra as slight truncate plates. Abdomen 
considerably wider than the width across the elytra, the lateral folds but slightly 
developed ; anal segment transverse with a central longitudinal sulcus; pygidium 
small ; forceps straight with the apex falcate, quadrate in section at the base, 
inner margin with blunt denticules. 

General color deep blackish brown, becoming fuscous on the lower portions of 
the limbs. Antennae with two joints (12-13) ochraceous. 

Measukem knts. 

Total length 21.5 mm. 

Length of pronotum 2.7 " 

Length of elytra 3.7 " 

Length of forceps 4.5 " 

Two paratypes have been examined of this species, which I take 
pleasure in dedicating to my friend, Mr. August Busck, who col- 
lected the series. One female from El Yunque, Porto Rico, collec- 
ted in February by Dr. C. W. Richmond was also examined. 

Family BLATTID^E. 
Phyllodromia bivittata Serville. 

One specimen; Fajardo, Porto Rico. February, 1899. (U.S. 
N. M.) 
Phyllodromia pnnctnlata (Palisot). 

One specimen ; Utuado, Porto Rico. January, 1899. (U. S. 
N. M.) 

This specimen appears to be identical with the insect figured by 
Palisot, who recorded the species from San Domingo. 

Phyllodromia delicatula Guerin. 

One specimen ; Mayaguez, Porto Rico. January, 1899. (U. S. 
N. M.) 
Nyctibora mexicana Saussure. 

One specimen ; Jamaica. (A. N. S. P.) 
Periplaneta amerii'ana (Linnaeus). 

Three specimens; Jamaica. (A. N. S. P.) 



WEST INDIAN OBTHOPTERA. 131 

Periplaneta anstralasise (Fabriciusi. 

One specimen ; Jamaica. (A. N. S. P.) 
Plet-toptera porcellana (Saussure}. 

One specimen ; Mayaguez, Porto Rico. January, 1899. (U. 8. 

N. M.) 

Plectoptera poeyi (Saussure). 

One specimen ; Vieques Island, Porto Rico. February, 1899. 
(U. S. N. M.) 
Leacophaea maderw (Fabricius). 

One specimen ; Bahama Islands. (A, N. S. P.) 
Pycnoscelus surinamensis (Linnaeus). 

Two specimens; Jamaica. (A. N. S. P.) Fajardo, Porto Rico. 
February, 1899. (U. S. N. M.) 

Panchlora peruana Saassure. 

One specimen ; Culebra Island, Porto Rico. February, 1899. 
(U. S. N. M.) 
Panchlora virescens (Thunburg). 

One specimen ; Porto Rico. January 18, 1899. Paul Beckwith. 
(U. S. N. M.) 

Panchlora exoleta (Burmeister). 

Four specimens; Culebra Island, Porto Rico. February, 1899. 
(U. S. N. M.) 
Blaberns atropos (Stoll). 

Six specimens; Santiago de Cuba. February 24, 1902. S. H. 
Hamilton. (A. N. S. P.) 

Blaberns rufescens (Saussure). 

One specimen ; Porto Rico. (A. N. S. P.) 

Family MANTID^E. 
StagmomantiS dimidiata (Burmeister). 
Five males ; Jamaica. (A. N. S. P.) 
Cnllimantis antillarum (Saussure). 

Two males, two immature specimens ; Culebra Island, Porto Rico. 
February, 1899. (U. S. N. M.j 

Theoclytes cingnlata (Drury). 

One male ; Jamaica. (A. N. S. P.) 

TRANS. AM. ENT. SOC, XXIX. MARCH. 1903. 



132 JAMES A. G. REHN. 

This rare species is strictly an Antillean form, and the records 
from So. America, as shown by Saussure and Zehntner (Biol. Cent.- 
Amer., Orth., i, p. 192), belong to another species. 

Family PHASMIDJE. 
Lamponios portoricensis n. sp. 

Type : <? ; Fajardo, Porto Rico. February, 1899. Collected by 
August Busck. (U. S. N. M.) 

Apparently a member of this genus, but not closely related to L. 
guerini (Saussure) the type. It differs in the smaller size, the granu- 
late head and thorax, and the differently shaped apex of the abdo- 
men. 

Form thick and heavily built. Head somewhat flattened, the region between 
the antennal bases with an elevated transverse ridge, the basioccipital region with 
several low tubercles; dorsal joint of the antennae flattened, the upper surface 
undulate. Pronotum almost quadrate, the lateral margins carinate and spined, 
centrally with two longitudinal rows of tubercles of three each. Mesonotum about 
three times as long as the pronotum, with a longitudinal median carina, thesur- 
face tuberculate. Metanotum with the median segment slightly shorter than 
the mesonotum, posteriorly expanding. Abdomen slightly tapering, the superior 
terminal plate transverse, the posterior margin rounded. Femora very short, 
the median pair of limbs equalling the metanotum and median segment in length, 
the posterior pair of limbs reaching the apex of the second abdominal segment. 
Tibiae shorter than their respective femora. Tarsus with the three basal joints 
subequal. 

General color dull yellowish green, the antennae with the apical portions of the 
large segments bearing a more or less distinct blackish blotch. 

Measurements. 

Length of head and body .32. mm. 

Length of mesonotum 7.5 " 

Length of metanotum (with median segment) . . .5 " 

Length of anterior femora 5.5 " 

Length of median femora 5.5 " 

Length of posterior femora 5.5 " 

Bacunculns dryas (Westwood). 

One male ; Mayaguez, Porto Rico. January, 1899. (U. S. N. M,) 
Clonistria sp. 

One female ; Jamaica. (A. N. S. P.) 
Aplopus jamaicensis (Drury). 

Two females ; Jamaica. (A. N. S. P.) 

Family ACRIDID.E. 
Paratettix frey-gessneri Bolivar. 
One female ; Arroyo, Porto Rico. February, 1899. (U. S. N. M.) 



WEST INDIAN OBTHOPTERA. 133 

Orphulella punctata (De Oeer). 
Two females : 

St. Vincent. (A. N. S. P.) 
Arroyo, Porto Eico. February, 1899. (U. S. N. M.) 

Plectrotettix gregarius (Saussure). 
Eleven males, twenty three females, two nymphs : 
Utuado, Porto Rico. January, 1899. (U. S. N. M.) 
Arroyo, Porto Rico. February, 1899. (U. S. N. M-) 
Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 
Culebra Island, Porto Rico. February, 1899. (U. S. N. M.) 
Vieques Island, Porto Rico. February, 1899. (U. S. N. M.) 
Mayaguez, Porto Rico. January, 1899. (U. S. N. M.) 
This species can readily be separated from P. viatorius (Saussure) 

of Mexico by its smaller size, and more angulate fastigium when 

viewed laterally. The latter character is quite striking. 

Sphingouotus jamaicensis Saussure. 

Two females ; Jamaica. (A. N. S. P.) 
Sphingonotus haitensis (Saussure). 

Two females : 

Arroyo, Porto Rico. February, 1899. (U. S. N. M.) 

Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 

Sehistocerca americana (Drury). 

Two males, four females: 

Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 
Mayaguez, Porto Rico. January, 1899. (U. S. N- M.) 
Arroyo, Porto Rico. February, 1899. (U. S. N. M.) 

Sehistocerca SBgyptia (Thunberg). 
Six males, nine females : 

Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 
Mayaguez, Porto Rico. January, 1899. (U. S. N. M.) 
Vieques Island, Porto Rico. February, 1899. (U. S. N. M.) 
Culebra Island, Porto Rico. February, 1899. (U. S. N. M.) 
Arroyo, Porto Rico. February, 1899. (U. S. N. M.) 

Family TETTIGONTD^E. 
Mieroeentrum triangnlatiim Brunner. 
Two females : 
Culebra Island, Porto Rico. February, 1899. (U. S. N. M.) 

TRANS. AM. BNT. SOC, XXIX. MARCH, 1903. 



134 JAMKS A. G. REHN. 

Arroyo, Porto Rico. February, 1899. (U. S. N. M.). 

This form was previously known only from Guadeloupe and St. 
Thomas. 
Conocephalus guttata* Serville. 

One male and one female ; Bayamon, Porto Rico. January, 18V>9. 
(U. S. K M.) 

Conocephalus macropterus Eedtenbacher. 
Two females : 

Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 
Porto Rico. January 18, 1899. Paul Beckwith. (U. S. N. M.) 

Xipbidion fasciatum (De 6eer). 
Four males, six females : 
Jamaica. (A. N. S. P.) 

Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 
Culebra Island, Porto Rico. February, 1899. (U. S. N. M.) 
Arroyo, Porto Rico. February, 1899. (U. S. N. M.) 
Mayaguez, Porto Rico. January, 1899. (U. S. N. M.) 
Rio Piedras, Porto Rico. June, 1902. O. W. Barrett. (A. N. 

S. P.) 

Jamaicana vittata Brunner. 

One immature specimen ; Jamaica. (A. N. S. P.) 

Family GRYLLID^E. 

Scapteriscus didactylus (Latreille). 
Twelve specimens : 

Bayamon, Porto Rico. January, 1899. (U. 8. N. M.) 
Utuado, Porto Rico. January, 1899. (U. S. N. M.) 
Fajardo, Porto Rico. February, 1899. (U. S. N. M.) 
Culebra Island, Porto Rico. February, 1899. (JJ. S. N. M.) 
Porto Rico. January 18, 1899. Paul Beckwith. (U. S. N. M.) 
Rio Piedras, Porto Rico. February 25, 26 and 28, 1902. Otis 

W.Barrett. (AJ.S.P.) 

Ellipes minuta (Scndder). 
Three specimens ; Culebra Island, Porto Rico. February, 1899. 

(U. 8. N. M.) 

Grj'llus assiinilis Fabricius. 
Three males, two females : 

Culebra Island, Porto Rico. February, 1899. (U. S. N. M.) 
Porto Rico. January 18, 1899. Paul Beckwith. ( U. S. N. M.) 



WEST INDIAN ORTHOPTERA. 135 

Gryllodes muticus (De Geer). 

Two males, one female : 

Rio Piedras, Porto Rico. May, 1902. O. W. Barrett. (A. N. 
S. P.) 

Vieques Island, Porto Rico. February, 1899. (U. S. N. M.) 
Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 

Gryllodes poeyi (Saassure;. 

One male, one female : 

El Cobre, Santiago Prov., Cuba. February 22, 1902. S. H. 
Hamilton. (A. N. S. P.) 

Bayamon, Porto Rico. January, 1899. (U. S. N.'M.) 

Imphiacusta caraibea Saassure. 

One male; Culebra Island, Porto Rico February, 1899. (U. 
S. N. M.) 

This specimen agrees perfectly with Saussure's description of this 
species from Guadeloupe, except in the shape of the lower margins 
of the lateral lobes of the pronotum, which are diagonally eniargi- 
uate instead of " subrecto " as Saussure describes them. 
Anaxipha pulicaria (Burmeisten. 

One female ; Culebra Island, Porto Rico. February, 1899. (U. 
S. N. M.j 

Cyrtoxipha imitator Saassure. 

One male ; Santa Ana, Santiago Prov., Cuba. March 4, 1902. 

S. H. Hamilton. (A. N. S. P.) 

Diatrypa sibilaus Saussure. 
One female ; Bayamon, Porto Rico. January, 1899. (U. S. N. M.) 
There is some little doubt in the determination of this specimen, 

as the apex of the ovipositor is acute, while Saussure describes it 

as obtuse. 

List of the Species of Orthoptera known from 
Porto Rico. 
The names of the species previously noted have been collected 
from Scudder's Index (Occasional Papers, Boston Soc. Nat. Hist., 
vi, 1901), and only forms that have positively recorded from the 
Island and dependencies have been included. The species included 
in the Index are preceded by an asterisk. 

TBAN8. AM. ENT. SOC, XXIX. MABCH, 1903. 



136 



JAMES A. G. EEHN. 



Family FORFICULID^E. 



* Labidura riparia (Pallas). 

* Psalls gagathina (Burmeister). 
Anisolabis annulipes (H. Lucas). 
Anisolabis maritima (Gene). 



Anisolabis azteca (H. Dohrn). 
* Apterygida bimaculata (Palisot). 
Apterygida gravidula (Gerst.). 
Apterygida buscki Eehn. 



* Anapleota dorsalis Burmeister. 
Phyllodromia bivittata Serville. 

* P.hyllodromia delicatula Guerin. 
Phyllodromia punctulata (Palisot). 
^Phyllodromia supellectilium (Ser- 

ville). 
*l8chnoptera blattoides (Saussure). 

* Ischnoptera rufa Brunner. 
Plectoptera porcellana (Saussure). 



Family BLATTID^E. 



Plectoptera poeyi (Saussure). 
Pycnoscelus surinamensis (Lin- 
naeus). 
Pancblora peruana Saussure. 
Panchlora virescens (Thunberg). 
Panchlora exoleta Burmeister. 
Blaberus rufescens Saussure. 
* Hemiblabera manoa Saussure. 
*Hemiblabera brunneri (Saussure). 



Family MANTID^E. 
Callimantis antillarum (Saussure). 

Family PHASMID^E. 



Lamponius portorioensis Eehn. 
Bacunculus dryas (Westwood). 

* Clonistria linearis (Drury). 

* Phibalosoma (Xylodus) adum- 

bratum (Saussure). 

* Bacteria calamus (Fabricius). 



* Bacteria (Pseudobacteria) yer- 

siniana Saussure. 
*Diapherodes angulata (Fabricius). 

* Aplopus micropterus (Lepel. and 

Serv.). 

* Acanthoderus comutus (Bur- 

meister). 



Family ACRIDID^E. 



Paratettix frey-gessneri Bolivar. 
Orphulella punctata (De Geer). 
Plectrotettix gregarius (Saussure). 



Sphingonotus haitensis (Saussure). 
Schistocerca americana (Drury). 
Schistocerca segyptia (Thunberg). 



Family TETTIGONID.E. 



Microcentrum triangulatum Brun- 
ner. 

Conocephalus guttatus Serville. 

Conocephalus macropterus Bed- 
tenbacher. 



* Xiphidion fasciatum (DeGeer). 

* Xiphidion fuscum i Fabricius). f 
*Polyancistrus serrulatus (Palisot). 



Family GRYLLID^E. 



* Gryllotalpa hexadactyla Perty. 

* Scapteriscus didactylus (Lat- 

reille). 
Ellipes minuta (Scudder). 
Gryllus assimilis Fabricius. 

* Gryllodes muticus (De Geer) 
Gryllodes poeyi (Saussure). 



Amphiacusta caraibea Saussure. 
Anaxipha pulicaria (Burmeister). 
Cyrtoxipha imitator Saussure. 

* Diatrypa sibilans Saussure. 

* Orocharis vaginalis Saussure. 

* Orocharis terebrans Saussure. 

* Orochiris krugii Saussure. 



f This is a European species and its occurrence here is very questionable.